Chute with hazardous flame and fume control

Details Chute with hazardous flame and fume control Chute with hazardous flame and fume control

1979-03-23

1980-11-04

Rosenberg, P. D.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75129, 266216, 266217, 266265, C21C 700, C21B 716

Patent

active

042317924

ABSTRACT:
Air injectors are located in a ladle additive chute to eliminate the chimney effect created by the chute and hot gases present when a furnace is tapped. Air is supplied through openings about the chute below an open upper end, through which ladle additives are charged. The openings direct the air downward and inward of the chute and the air is supplied at a pressure and flow sufficient to prevent smoke, fumes and eruptive flames from rising through the chute when alloys are added to the metal being poured into the ladle.

REFERENCES:
patent: 3206299 (1965-09-01), Senior
patent: 3761248 (1973-09-01), Avery
patent: 3836360 (1974-09-01), Bray

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